Index: /applications/editors/josm/plugins/HouseNumberTaggingTool/src/org/openstreetmap/josm/plugins/housenumbertool/TagDialog.java
===================================================================
--- /applications/editors/josm/plugins/HouseNumberTaggingTool/src/org/openstreetmap/josm/plugins/housenumbertool/TagDialog.java	(revision 36108)
+++ /applications/editors/josm/plugins/HouseNumberTaggingTool/src/org/openstreetmap/josm/plugins/housenumbertool/TagDialog.java	(revision 36109)
@@ -51,4 +51,5 @@
 import org.openstreetmap.josm.tools.GBC;
 import org.openstreetmap.josm.tools.Logging;
+import org.openstreetmap.josm.tools.Utils;
 
 /**
@@ -604,4 +605,5 @@
             loadExistingValuesToDto(dto);
         }
+        dto.setHousenumberChangeValue(Utils.clamp(dto.getHousenumberChangeValue(), FPS_MIN, FPS_MAX));
         return dto;
     }